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The Human Instrument

When judged by its size, our vocal system fails to impress as a musical instrument. How then can singers produce all those remarkable sounds?

By Ingo R. Titze

Taming Vessels to Treat Cancer

Restoring order to the chaotic blood vessels inside a tumor opens a window of opportunity for attacking it. Surprisingly, drugs meant to destroy vasculature can make the repairs and may help reverse conditions that lead to cardiovascular disease and blindness

By Rakesh K. Jain

Hot Spots Unplugged

Long considered fixed founts of molten material from deep within the planet, hot spots now join the list of moving parts

By John A. Tarduno

Fueling Alternatives

Engineers make progress toward new green fuels and energy storage devices

By Steven Ashley

Neurological Insights

Biologists devise a memory on a chip and new ways to tackle Alzheimer's

By Gary Stix

Material World

Scientists take inspiration from nature and instill novel magnetic properties

By Graham P. Collins and Charles Q. Choi

Light Manipulation

New technologies exercise extraordinary control over light

By Graham P. Collins

Sun Power Gets a Boost

A stolen idea from the plant world could improve prospects for solar power

By Mark Alpert

Stem Cell Control

The essential character of the mother of all cells reveals itself in a set of breakthrough findings

By Christine Soares

Making Them Whole

Artificial limbs and a prosthetic arm create a path to better bionics

By George Musser


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Special Edition: Mysteries of the Mind